JEE Main Chemistry question

In a concentration cell

(A)Two electrodes are of different elements
(B)Two electrolytic solutions of the same electrolyte but having different concentrations are used
(C)An electrolyte of one strength is used but electrodes of two different concentrations (e.g. amalgams) are used
(D)Both (b) and (c)Correct

Answer: (D)

Solution

A concentration cell may be of the electrolyte-concentration type (same electrodes, two different concentrations of the same electrolyte, as in (b)) or the

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Question ID VK-143973